About Question enthuware.ocpjp.v17.2.3230

[oswegobay]

In case someone else stumbles on this question, here is from the Java Language Specification 14.4:

It is a compile-time error if the LocalVariableType is var and any of the following are true:

More than one VariableDeclarator is listed.

The VariableDeclaratorId has one or more bracket pairs.

The VariableDeclarator lacks an initializer.

The initializer of the VariableDeclarator is an ArrayInitializer.

The initializer of the VariableDeclarator contains a reference to the variable.